These are designer errors. The ascender and descender values are not correctly set, which makes the fonts close to useless for Mac.

Best to contact the designers and ask them to correct this. Not hard to do, just a few clicks.

No.

Only true otf aware applications will recognize the font sub-famylies. For other applications you will indeed have to add the sub-family name to the family name. Like "fontfamilyname" becomes fontfamilynamebold. You can do this with any font editor.

No news from the western front

With an improved R.

No such thing I'm afraid. Whatever handwriting font you may find and use, the result will always be dramatically different from your sample.

Light.

The Eva Antiqua SG is - as the name already tells - a Silver Graphics rip-off of Professor Rudolf Koch's Koch Altschrift designed for the Schriftgiesserei Gebr. Klingspor (1920-1922).
Many others copied the typeface too. Like Castcraft's OPTI Eve, David Rakowski's Spaden and Lilith, Arts&Letters' Salem, Fantazia Concepts Inc's FZ ROMAN 19, Brendel Informatik's Auvergne, Bitstream's Kuenstler165 BT and the Gabel.

Cloned as Grandesign Neue Roman.

This is most probably the Feena by ZETAfonts based on Image Club Graphics' Fina. No legal links found.